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Why does the coasting rotating system slow down as water drips into the beaker?
Waleedq
Ans : By the formula of moment of inertia ,
I=mr2 (2=square)
As by the formula it is clear that the moment of inertia depends on the mass and the radius of a particular body , so as the mass increases moment of inertia will considerably increase , So as the water drips into the beaker the mass of the beaker will increase
By the law of conservation of angular momentum
Moment of inertia is inversely proportional to the angular velocity ( omega ) , Since in the above case of coasting rotating system moment of inertia is increased so the angular velocity (omega) will also decrease and hence the coasting rotating system will now rotate slowly as compared to its rotation before dripping water !
Wiki User
∙ 12y ago
Wiki User
∙ 13y agoas the moment of inertia increases due to increasing water mass, and due to this angular velocity omega decreases...
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